SVA Mod Options iss3:studio.qxd.qxdfollowing:
• GSM/EDGE
• UMTS/HSUPA
• TD-SCDMA
• Bluetooth® (+ EDR)
the capabilities of the SGD digital signal
generator creating a high performance integrated
laboratory or factory test solution.
Included as standard are spectrum analyzer and generic
demodulation giving general purpose spectrum or time domain
analysis for RF component testing or alignment of radio
communications transceivers.
Optional modulation analysis suites extend measurement support to
cater for a wide variety of communication standards within the same
application framework making the test solution extremely versatile. In
each case these capabilities provide power, spectrum and
modulation analysis with results displayed in two user configurable
windows. A variety of trace displays are provided as appropriate to the
communication standard each permitting close examination signal
parameters and performance. When used synchronously with
the SGD, stimulus and response component measurements or
complete transceiver characterization can be accomplished with ease.
SPECTRUM ANALYZER MODE
The spectrum analyzer mode enables spectrum and time domain
measurements to be performed within on acquired I & Q data from the
SVA.
Figure 1. Spectrum Analyzer screenshot of UMTS with spurious signals
Spectrum measurements can be made over a maximum span width of
200 MHz with continuously variable resolution bandwidths from
1 Hz to 10 MHz (limited by span).
The spectrum analyzer supports measurement of occupied bandwidth
and adjacent channel power where up to 99 channels can be specified
each with arbitrary channel spacing and channel bandwidth.
The spectrum analyzer provides display traces of power, frequency and
phase versus time as well as power spectrum.
GENERIC MEASUREMENT SUITE
A suite of measurement functions to analyze a wide range of
modulation schemes including FM, PSK and QAM.
This measurement suite enables testing of wireless technologies such
as those found in FM radio, ZigBee® (802.15.4), TETRA, tire pressure
monitoring systems (TPMSs), satellite communications, and
commercial broadcast systems among others. In addition, this
measurement suite also allows audio measurements on mono or stereo
audio frequency signals that are demodulated from a FM signal.
• Transmit power (Peak and Average)
• Spectrum analysis
• Carrier leak (IQ origin offset)
• Phase and amplitude errors (Peak and RMS)
• Frequency error
• User defined constellation to bit pattern mapping
• Ability to detect sync patterns (user defined or preset)
• Presets measurement settings for ZigBee®, UMTS (basic modulation accuracy), TETRA, VDL and APCO-25, GSM, Bluetooth, EDGE
• Modulation schemes supported:
- 2-FSK, 4-FSK, MSK
- BPSK, QPSK, OQPSK, DQPSK, π/4 DQPSK, 8-PSK, D8PSK, π/8 D8PSK, 8-PSK EDGE
- 16-QAM, 32-QAM, 64-QAM, 128-QAM, 256-QAM, 512-QAM
Figure 2. Generic Modulation screenshot showing QPSK demodulation
Optional System Specific Measurement Suites
Each optional measurement suite provides a complete set of
measurement functions to characterize the RF parametric
performance of components and devices in accordance with the
requirements of the relevant communications standard.
GSM/EDGE MEASUREMENT SUITE
A complete suite of measurement functions to characterize GSM and
EDGE mobile transceiver RF performance using procedures as
defined in 3GPP 51-010-1 V5.2.1 sections 13.17.1-4 and 13.14.2,
GSM/EDGE/EGPRS Transmitter(Tx) Test cases as defined in
sections 13.1-4, 13.6-13.9, 13.16.1-3, 13.17.1, 3, 4 and Receiver (Rx)
Test cases as defined in 14.2.1, 14.16.1, 14.18.1 of ETSI TS 51.010 are
supported.
• GSM phase error (peak and RMS)
• 8PSK EVM, origin offset suppression
• 8PSK 95th percentile EVM
• Fast Sequence Tuning (FST)
GSM/HSCSD/GPRS/EGPRS/EDGE Tx and Rx characteristics
including average RF power, burst profile, modulation quality (either as
phase error or error vector magnitude), frequency error, spectrum due
to modulation and switching and Rx BER/BLER (using loopback
methods as defined in ETSI TS 100 293-GSM 04.14). EDGE signals
can be further characterized in terms of Origin Offset Suppression and
95th Percentile EVM.
Figure 3. GSM/EDGE screenshot
This option enables analysis of either Normal or Access burst types
with automatic detection of modulation type and training sequence
(TSC). Results are provided as both numerical tabular or graphical
trace displays. Measurements can be made for single or multiple
contiguous active-slot frames.
UMTS MEASUREMENT SUITE
(3GPP release 6).
• Maximum output power
• Carrier leak
• Origin offset
• Enhanced physical channels and HS-DPCCH
• Inner Loop Power Control (ILPC)
• Receive sensitivity (BER) using loopback
• Fast Sequence Tuning (FST)
The UMTS measurement suite enables the measurement of all major
3GPP W-CDMA UE transceiver parameters including RF power, ILPC
(inner loop power control) ACLR (adjacent channel leakage ratio),
occupied bandwidth, spectrum emission mask, modulation accuracy,
frequency stability, code domain power and peak code domain error and
receiver sensitivity.
This option provides a variety of trace displays including constellation
diagram, code domain power and spectral mask.
Set up for UMTS uplink measurement requires only user entry of
DPCCH slot format 3 and scrambling code. Active channel detection
can be set automatically or defined by the user. Measurements can then
be made for any user specified or a random timeslot 0 to 14.
Figure 4. UMTS typical screenshot
LTE FDD and LTE TDD
The LTE TDD and FDD measurement suites provide a library of
measurement functions designed to characterize LTE TDD and
FDD signals respectively in accordance with the requirements of
ETSI TS 36.521-1.(3GPP release 8.4.0).
• Power
• Spectrum flatness
• CCDF
• Fast Sequence Tuning (FST)
LTE FDD and LTE TDD are available as separate SVA options. In each
case LTE analysis is supported for uplink (SC-FDMA) transmissions
for all bandwidths, 1.4 MHz, to 20 MHz and modulation types QPSK,
QAM16 and QAM64. In addition to numerical measurement results,
the measurement suite provides trace displays for spectrum emission
mask, CCDF, constellation plots, EVM vs. Carrier and EVM vs. Symbol.
EVM analysis for uplink PUSCH, PUCCH and SRS is supported. A
user defined window position can be selected when performing EVM
measurements. This helps to track down problems associated with
baseband timing and windowing. The capability to perform signal
measurements in the presence of discontinuous transmissions (DTX)
is also supported.
CDMA2000 AND 1XEVDO MEASUREMENT SUITE
A complete suite of measurement functions to analyze cdma2000,
1xRTT, 1xEV-DO Rev 0, A and B signal characteristics in accordance
with the requirements of 3GPP2 C.S0033-B version 1 and C.S0024-B
version 2.0 for reverse link transmissions.
• cdma2000 RC1 to 4 reverse link analysis
• 1xEV-DO rev A and rev B (No Feedback Multiplexing mode) reverse
link analysis
• Channel power
• Total power
• Composite modulation accuracy (RHO and EVM)
• QPSK origin offset
• Frequency error
The cdma2000 and 1xEV-DO reverse link measurement suite enables
precision characterization of power, modulation and spectral
parameters for both cdma2000 rev C, 1xEV-DO rev A and Rev B reverse
link transmissions.
Trace displays are provided for de-scrambled code domain powers for
both cdma2000 RC3/4 and 1xEV-DO channels and constellation
diagrams.
TD-SCDMA signals in accordance with the requirements of 3GPP TS
34.122.
• Spectrum analysis:
• Occupied bandwidth
• Spectrum mask
• Modulation accuracy:
• Composite constellation
•RHO
•EVM
• Timing error
• Detected code channel results
all major 3GPP TD-SCDMA mobile transmitter RF parameters such
as power, spectrum and modulation accuracy.
This option provides trace displays for code domain power and code
domain error as well as constellation diagrams and spectrum masks.
For the very latest specifications visit www.aeroflex.com
WLAN MEASUREMENT SUITE
A comprehensive suite of measurement tools enabling the analysis of all
WLAN OFDM, DSSS and DSSS-OFDM RF signal characteristics in
accordance with the requirements of IEEE 802.11a, IEEE 802.11b,
PMD 1999, IEEE 802.11g, PMD 2003, IEEE 802.11n 2009 and IEEE
802.11ac /D1.0
• Transmit power
• Spectral mask
• Occupied bandwidth
• Frequency tolerance
• Spectral flatness
• Channel bandwidth support: 20 MHz, 40 MHz, 80 MHz or
80+80 MHz
Modulation format, data rate and modulation type are all determined
automatically from preamble and header decoding, thus requiring no
user set-up making using the measurement library easy to operate and
integrate within a test application.
Measurements may be performed with/without compensation for pilot
time, amplitude and phase tracking enabled.
For 802.11n testing, modulation and coding schemes (MCS) 0–23 and
32–52 are supported, while for 802.11ac testing, MCS 0–9 are
supported.
Bluetooth® EDR radio transceivers in accordance with the
requirements of Bluetooth® Specification 1.2 / 2.0 / 2.0+EDR / 2.1 /
2.1+EDR revision 2.1E1(2008).
signal characteristics of Bluetooth® and Bluetooth® EDR transceivers
such as burst power, PSK modulation accuracy, initial and maximum
frequency error and origin offset and Receive sensitivity (BER).
• Burst position and power
• EDR relative Tx power
• Burst profile
• Modulation accuracy
• CW measurements
The Bluetooth® measurement suite is suitable for characterizing
devices operated in test mode. Measurement results for burst length,
position, rise and fall times and power are provided for the entire
packet as well as the individual GFSK and PSK modulated elements
within the packet. For PSK modulation, the DEVM is reported
together with max frequency error and origin offset. Time domain
trace displays are provided for burst power, GFSK frequency deviation
and DEVM. Additionally PSK modulation can be viewed as a
constellation diagram.
Receiver sensitivity (BER) test for signals adhering to Test Suite
Structure (TSS) and Test Purposes (TP) System Specification
1.2/2.0/2.0 + EDR/2.1/2.1 + EDR can be performed either in single
ended or loopback mode. In loopback mode the device is configured to
re-transmit received packets and the measurement suite performs the
measurement and displays the result. In this case receiver and
transmitter measurements can be performed concurrently.
SPECIFICATIONS
Variable between 2 kHz to 200 MHz and zero span
Resolution 1 Hz
Variable between 1 Hz to 10 MHz (depending on span)
Resolution 1 Hz
NEBW: Gaussian 3 dB: Gaussian fixed: Blackman Harris 5 term
Zero Span Time (Search length)
Up to 333 seconds (sample rate dependent)
Resolution 4 ns
Channel Power and Adjacent Channel Power
Adjacent channels: 2 upper and 2 lower or user defined up to 99
Channel filter alpha: 0.0 to 1.0
Channel spacing: up to 15 MHz
Channel width: up to 25 MHz
Occupied Bandwidth (OBW)
N Peaks
Frequency and power output for up to 10 signal peaks sorted in order of descending power
Average Power
Markers
Marker Functions
Marker power and frequency with peak search, next peak, peak track
Power and time
Frequency and time
versus time trace, Frequency versus time trace, Phase versus time
Measurement Results
Demodulated Audio Measurement Settings
Level units: Linear / logarithmic
MEASUREMENTS
deviation (P)
Deviation Range:
Resolution: 0.1%
Modulation Frequency and Level
Accuracy: ±0.1% typical
Accuracy: Typically ±0.1 dB
Audio Distortion (SNR, SINAD, THD, THD+N)
SNR Range: Mono up to 80 dB, Stereo up to 70 dB
SINAD Range: Range: Mono up to 80 dB, Stereo up to 64 dB
Resolution 0.1 dB
Accuracy: Typically ±0.5 dB
THD Accuracy: <0.1% with deviation of 22.5 kHz and max harmonic
N=7
THD+N Accuracy <0.2% with deviation of 22.5 kHz and max harmonic
N=7
>50 dB down
BPSK, QPSK, OQPSK, DQPSK, π/4 DQPSK, 8-PSK, D8PSK, π/8 D8PSK,
8-PSK EDGE
QAM, 32-QAM
Measurements
Raised Cosine (RRC), Half Sine, Rectangular
Symbol Rate Range: 10 ksym/s to 50 Msym/s
Origin offset: On/Off
Measured with 2000 RRC pulse shaped symbols with matching meas-
urement/reference filters selected, symbol offset 10, AWGN channel, at
reference power level, receiver tuned to transmit frequency.
Indication:
Phase Error RMS/Peak (degrees)
Magnitude Error RMS/Peak (%)
Modulation Type EVM Range Accuracy
BPSK Up to 50% Max (0.5%, 10% of
measured EVM)
measured EVM)
measured EVM)
measured EVM)
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Frequency Error
Measurement range:
Accuracy:
IQ Origin Offset
Residual Error: -40 dB (1 %)
IQ Gain Imbalance
Resolution: 0.1 dB
Pattern Synchronization
When it is enabled, the system will search the pattern from the captured
IQ data.
Pattern Type
Symbol Offset
EVM vs. symbol
Channel Filter Type
Channel Filter Alpha (bandwidth coefficient)
0 to 1, resolution 0.1
Display Traces
Total measurement span: up to 200 MHz
ACP filter: None, Raised Cosine (RC), Root Raised Cosine (RRC)
ACP filter alpha: 0.0 to 1.0
Indication: Reference channel power (dBm), adjacent channel power
(dBc)
Accuracy: Typically 0.1 dB / 10 dB excluding the effects of noise
Occupied Bandwidth
Upper/lower frequency (Hz)
Reference Level (dBm)
Typically 0.1 dB / 10 dB excluding the effects of noise
Burst Power Location(1)
Burst Length (ms)
Demodulated Bits
The result is presented in a table with the left column containing indexes
for sequences of 16 bits presented in the right column.
Demodulated Symbols
The result is presented in a table with the symbol and value as column
headers. The symbol column contains the symbol number and the value
column contains the binary respresentation of the symbol value.
(1) when analysis mode set to Burst IQ
GSM/EDGE (OPTION 152)
All specifications are defined in any GSM band between 400 MHz and
2000 MHz. GSM/EDGE BER/BLER measurements additionally require an
SGD digital RF signal generator.
CONFIGURATION
The following table provides a summary of the relationship between
system and band, power control level, absolute radio frequency channel
number (ARFCN) and uplink frequency ranges.
*Note: for the PCS1900 band the PCL range 16-29 is reserved.
Burst Type
8PSK: Normal
Path Loss Correction
System Type Power Control
GSM (Mode C)
GPRS
EDGE
Downlink Signal Mode
GSM, GPRS, EDGE
MCS1 to 9
GPRS Coding Scheme
CS1 to 4
Measurement Display Types
Captured power versus time
Phase error versus time
MEASUREMENTS:
GSM / EDGE AVERAGE BURST POWER
The transmitter output power is the average value of the power over the
time that the useful information bits of one burst are transmitted.
Fast Burst Power is measured without midamble synchronization.
Indication
GMSK Average burst power in dBm
EDGE, Current Avg power, long term average power or estimated long
term average power dBm
Burst Timing Error (symbols)
GSM / EDGE POWER PROFILE
Measurement can be performed for upto 7 contiguous active slots of
same modulation type.
Rising/Falling Fail time (in US)
Burst (each active slot)
Power versus time traces
Useful Part/Guard Fail time (in symbols)
Useful Part/Guard Fail level (in dB)
Values with closest proximity to mask or worst case failure for the
complete, rising edge, falling edge, guard and useful parts of the burst.
Dynamic Range
Accuracy (rising falling edges)
Time accuracy <0.5 μs
Time accuracy <0.25 symbol
Time Accuracy <0.25 symbol
Phase Error Range
Indication
Results are expressed as numerical values for RMS + Peak phase error
Traces
Accuracy
8PSK MODULATION
The minimum RMS magnitude of the error vector is calculated for a
single slot.
Burst Type
Normal only
EVM Range
Indication
EVM % (rms and peak), phase error degrees (rms and peak), 95th
percentile EVM %, origin offset suppression, and droop
Accuracy
Offset Origin Suppression Accuracy
FREQUENCY ERROR
Measurements can be performed for single or multiple active slots.
For the very latest specifications visit www.aeroflex.com
The frequency error measured is the difference between the input
signal and the nominal SVA tuned frequency.
Frequency Error Range
Frequency Error Accuracy
SPECTRUM DUE TO MODULATION and SWITCHING
This measurement determines the peak power and the time gated
average power at up to 20 specified frequency offsets.
Burst Type
Carrier Frequency 1 GHz 2 GHz 1 GHz 2 GHz
Frequency Offset dBc dBc dBc dBc
100 kHz -76 -70 -73 -67
200 kHz -81 -75 -78 -72
250 kHz -82 -76 -79 -73
400 kHz -83 -77 -80 -74
1.8 MHz -84 -79 -81 -76
6 MHz -85 -79 -82 -76
Spectrum Due to Switching
Carrier Frequency 1 GHz 2 GHz 1 GHz 2 GHz
Frequency Offset dBc dBc dBc dBc
400 kHz -73 -67 -70 -64
1.8 MHz -74 -69 -71 -66
Indication
Table of values;
Reference power (dBm), frequency offset (Hz) and level (dBc) relative to
reference power
Number of Radio Blocks in Error
Number of Active Slots Analyzed per frame
BER, BER II, RBER II, FER
Measurement Results
Bit Error Rate (%)
(1) Excluding the effects of noise
(2) For EDGE or GPRS BLER, the loopback mode is not selectable
UMTS UL (OPTION 152)
All specifications are defined in all WCDMA 3GPP FDD bands.
CONTROL PARAMETERS
Scrambling Code
DPCCH Slot Format
0 to 3
Indication
OCCUPIED BANDWIDTH
Measurement of the bandwidth containing 99% of the total power of the
transmitted spectrum
SPECTRUM EMISSION MASK
The spectral density of the transmitted signal should lie within the
relevant spectral mask for each WCDMA 3GPP FDD band or a user
defined mask.
Measurement BW
Measurement Range
±12.5 MHz
The worst-case dBc level value and its corresponding frequency relative
to the mask
PHASE DISCONTINUITY
Indication
ADJACENT CHANNEL LEAKAGE RATIO
ACLR due to modulation is the ratio of the channel power to the power
measured in the upper and lower adjacent and alternate channel.
Number Channels
Dynamic Range
Residual noise in 3.84 MHz BW: typically better than -68 dB
Indication
Accuracy
The frequency error measured is the difference between the input
signal and the nominal SVA tuned frequency
Frequency Error Range
Frequency Error Accuracy
TRANSMIT MODULATION
Modulation Accuracy
Modulation accuracy results are provided for either composite modula-
tion or for QPSK modulation. Composite EVM results are provided for
either a specific or random slot number.
Composite EVM Peak/rms
Code domain errors are computed over user specified spreading factor.
The peak code domain errors are defined as the maximum values for the
computed code domain errors. The measurements interval is 1 slot
(2560 chips).
Trace
Results
Peak code domain error for I and Q channels (in dB)
CCDF
DEMODULATED SYMBOLS
Channel Types
TX SLOT TIMING ERROR
Measured relative to an external trigger input with a result expressed in
samples
Code domain power is computed providing dBc readings for 256
orthogonal channels.
ILPC (Inner Loop Power Control)
The purpose of the measurement is to ensure that the User Equipment being tested is able to respond accurately to Power Control Commands given by the Radio Base Station.
SETUP
Initial Power Tolerance
Slot No
Slot No
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ILPC Relative Power vs. Slot (10 steps).
BER
Number of blocks examined
Block error rate (%)
Number of bits to compare: Up to 24,400
Reference data pattern type: all ones, all zeros, PRBS PN9 or PN15
Notes (1) Excluding the effects of noise
LTE FDD AND TDD (OPTIONS 107 AND 108)
All specifications are defined in all LTE 3GPP FDD and TDD bands. The
LTE FDD and LTE TDD are available as separate measurement suites.
CONFIGURATION
Subframes (link direction)
Dependent on measurement interval
Signal Composition(2)
Uplink-Downlink Configuration(2)
1 to 6 (as defined in table 4.2-2 of 3GPP TS36.211 v8.6.0 (2009-03))
Special Subframe Configuration (2)
1 to 8 (as defined in table 4.2-1 of 3GPP TS36.211 v8.6.0 (2009-03))
Synchronization Slot (for specific slot analysis only)
0 to 19
Half Subcarrier Shift
1 to 503
RB Offset
guard period (Cyclic prefix).
The difference between the reference waveform and the measured
waveform corrected by the sample timing offset and RF frequency offset
with origin offset removed.
Constellation (with/without non allocated carriers)
Measurement Results
EVM (rms)
IQ skew (in degrees)
SYMBOL / CHIP CLOCK TOLERANCE
OBW
Occupied bandwidth is defined as the bandwidth containing 99% of the
total integrated mean power of the transmitted spectrum on the assigned
channel.
Indication
Hz
SPECTRAL EMISSION MASK
The spectral density of the transmitted signal should lie within the spectral mask
The mask is frequency aligned to the maximum spectrum density
Mask Type
Measurement BW
Indication
The worst-case dBc level value and its corresponding frequency relative
to the mask are reported
Traces
ACLR
Notes
(1) Available in LTE FDD only
(2) Available in LTE TDD only
CDMA2000R 1XRTT AND 1XEV-DO REV 0, A AND B (OPTION 102)
All specifications are defined when operating in cdmaOne, cdma2000
and 1xEVDO band classes BC0 to BC15.
CONTROL PARAMETERS
Radio Configuration Mode (cdma2000 only)
RC1/RC2 or RC3/RC4
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POWER MEASUREMENT
Channel Power
The channel power is the power measured in the 1.23 MHz bandwidth.
Channel power is measured concurrent with ACPR measurement.
Average Power
The broadband average power is measured for a user defined segment.
Burst Power
For bursted signals, the peak power is measured together with burst
duration, burst position, power on and power off times.
Indication
Burst duration and burst position in samples
Power on time and power off time in seconds
ADJACENT CHANNEL POWER RATIO MEASUREMENT
The power to the power measured at frequency offsets relative to the
reference channel power.
Offsets
Fixed Offsets
Indication
Offset power in dBc (30 kHz RBW)
Accuracy
SPECTRAL EMISSION MASK
The power spectrum of the transmitted signal is compared to a mask.
Mask Type
frequency separation (1xEV-DO Subtype 3 only)
Indication
Pass/fail
Spectral trace + mask trace
Number of failed points
TRANSMIT MODULATION
Modulation Accuracy
The modulation accuracy can be measured for composite RHO, EVM as
per 3GPP2 C.50011_A or 3GPP2 C.S0033-A.
1xEV-DO composite RHO is computed for default or user channel
settings. When set to user channel settings, RHO is measured only on
the selected channel subset.
The modulation accuracy is a measure of the difference between the
measured waveform and the theoretical modulated waveform (the error
vector).
The minimum measurement interval for composite rho / EVM is 500 μs
(cdma200 RC1/2), 3.2 ms (cdma200 RC3/4), 1xEV-DO or user defined).
COMPOSITE RHO
rho Range
Better than ±0.003 for rho values between 0.9 and 1.0
Amplitude Error
In dB
In dB
Time Error
In μs
The frequency error is derived from modulation quality measurement and
is the frequency relative to the SVA tuned frequency.
Frequency Error Range
RC1-2: ±5 kHz
RC3-4: ±2 kHz
1xEV-DO: ±2 kHz
QPSK: ±10 kHz
Frequency Error Accuracy
CODE DOMAIN POWER (RC3/RC4, 1XEVDO)
Code domain power is a measure of the power in each code channel of
a CDMA channel. Code domain power gives the distribution of signal
energy among the code channels, normalized by the total signal energy.
Indication
Trace
Peak Code Domain Error
Code domain error is a measure of the code domain distribution of error power, provided by a code domain power measurement of the error signal. Peak code domain error is the largest power in the error.
Indication
(2) CDMA2000 only
TD-SCDMA (OPTION 109)
classes 0-12.
CONTROL PARAMETERS
Auto or Manual (dB)
System Code Configuration
Sync downlink code
Sync uplink code
POWER MEASUREMENT
Total Power
Sum of the midamble and data average power for the analyzed period of
time.
Average Power
The broadband average power is measured for a user defined segment.
Midamble Power
Average power (dBm) in the midamble for the analyzed timeslot.
Data Power
Average power in the data segments pre and post midamble for the
analyzed time slot.
Left Data Power (before midamble in dBm)
Right Data Power (post midamble in dBm)
Traces
ADJACENT CHANNEL LEAKAGE POWER RATIO MEASUREMENT
The power measured at frequency offsets relative to the reference
channel power.
Fixed Offsets
Indication
Offset power in dBc (30 kHz RBW)
Traces
Adjacent Channel Leakage power Ratio (dBm) vs frequency (Hz) Trace
Accuracy
SPECTRAL EMISSION MASK
The power spectrum of the transmitted signal is compared to a mask.
Indication
Pass/fail
Traces
Indication
Hz
TRANSMIT MODULATION
Modulation Accuracy
The modulation accuracy is a measure of the difference between the
measured waveform and the theoretical modulated waveform (the error
vector).
available.
Trace
dB
Detected Scramble Code
The frequency error is derived from modulation quality measurement and
is the frequency relative to the SVA tuned frequency.
Frequency Error Range
Magnitude Error Peak/RMS
CODE DOMAIN POWER (Data only)
Code domain power is a measure of the power in each code channel of
a TD-SCDMA channel. Code domain power gives the distribution of
signal energy among the code channels, normalized by the total signal
energy.
Trace
Peak Code Domain Error
Code domain error is a measure of the code domain distribution of error
power, provided by a code domain power measurement of the error
signal. Peak code domain error is the largest power in the error.
Indication
Peak Active Code Domain Error (dB)
Trace
MIDAMBLE MID SHIFTS MEASUREMENTS
Midamble Mid Shifts
(1) Excluding the effects of noise
WLAN (OPTION 103) AND 802.11AC (OPTION 110)
All specifications for accuracy and range relate to performance when
option 110 requires option 103 to be enabled in any ISM band up to
6 GHz.
Measurements are per IEEE 802.11a, b, g, n and ac standards.
CONFIGURATION
The WLAN measurement suite assumes the measured signal includes a
correctly formatted PSDU containing valid header information in order to
perform demodulation.
modulation type is decoded from header information. For 802.11n HT,
802.11ac HT and 802.11ac VHT signals, this also includes MCS index.
Analysis Mode
802.11ac VHT (Very High Throughput)(3), 802.11ac HT (HT signal in
80 MHz bandwidth)(3), 802.11ac non-HT(3)
Channel Bandwidth
None, Upper1, Upper2(3), Lower1, Lower2(3)
Auto BSS Bandwidth
Enable or disable. When disabled, BSS bandwidth can be defined by
user.
On/Off
DSSS Reference Filter (802.11b and 802.11g)
None
Rectangular
0 to 1.0
BT (Gaussian only)
0 to 1.0
802.11a/b/g 802.11n 802.11ac(3)
Channel bandwidth (MHz) 20 20, 40 20, 40, 80, 80+80
Compensation
OFDM:
Pre-amble
Burst Profile Type
MEASUREMENTS
The results are available for live, average, min hold, max hold, std dev.
POWER MEASUREMENTS
Transmit Power (in dBm)
The Peak and RMS power is measured for a single PPDU.
Accuracy
Burst Length (in μs)
The burst length is the time between the rising and falling edge of a
single PPDU burst.
Rising / Falling Edge Time (in μs)
Measures the time taken for the burst power of a single PPDU to change
between 10% and 90% of its value (peak or RMS).
Rising / Falling Edge Status (802.11b and g)
Indication
Ramp down pass/fail
Burst position μs relative to trigger point
Trace
Bandwidth containing 99% of total of the transmitted PPDU spectrum
Accuracy
SPECTRAL MASK
The spectral density of the transmitted PPDU signal should lie within the
spectral mask.
The mask is frequency aligned to the maximum spectrum density.
Mask types 802.11a
The worst-case dBc level value and its corresponding frequency relative
to the mask.
Trace
ADJACENT CHANNEL POWER (FOR DSSS SIGNALS) (in dBc)
The power measured in the upper and lower adjacent and alternate
channels relative to the power in the reference channel.
Reference Channel Bandwidth
±11 MHz, ±22 MHz
Accuracy
MODULATION ACCURACY
The error vector magnitude (EVM) is the magnitude of the IQ vector at
the decision point measured relative to the ideal constellation point.
EVM
EVM (Peak) — 802.11b/g only
Accuracy (Results based on the max. modulation rate for the given
standards)
The following table shows the combined norminal residual RMS EVM/RCE
when an SGD is used as input to the SVA.
Input Power +5 dBm 0 dBm -10 dBm -20 dBm -30 dBm
Fc 2.412 GHz
20 MHz 802.11b
0.5% / -45 dB
0.4% / -47 dB
0.2% / -51 dB
0.3% / -49 dB
0.4% / -47 dB
0.3% / -49 dB
0.4% / -47 dB
0.5% / -45 dB
0.8% / -41 dB
Fc 5.81 GHz
0.4% / -46 dB
0.5% / -45 dB
0.6% / -44 dB
0.6% / -44 dB
0.4% / -46 dB
0.4% / -46 dB
0.5% / -45 dB
0.7% / -42 dB
0.5% / -45 dB
0.6% / -44 dB
0.6% / -44 dB
0.8% / -41 dB
0.7% / -42 dB
0.7% / -42 dB
0.7% / -42 dB
1.2% / -38 dB
The following table shows the combined norminal residual RMS EVM/RCE
when an SGD is used as input to the SGA.
Traces
Trace of EVM values vs. sub carrier or symbol number
General Information Derived from Demodulation
System type, modulation type, data rate, number of PSDU bits/symbols,
HT format (Greenfield or Mixed), 802.11n — HT mode only, short GI
(11n/ac only)
IQ Skew (in degrees)
Carrier Leak (in dB)
Lock Range
±50 ppm
<±312.5 kHz
Carrier Leak (in dB)
Range
Indication
Pass/fail
HT/VHT(3) CROSS POWER (in dBm)
Support for up to two spatial streams
CCDF
(3) Require SVA option 110
BLUETOOTH®& BLUETOOTH® EDR (OPTION 106)
Performance is specified over the frequency range 2400 MHz to 2483.5
MHz when used in conjunction with any SGD digital RF signal generator.
Measurements are performed in accordance with the requirements of
Bluetooth® Specification 1.2/2.0/2.0+EDR/2.1/2.1+EDR.
CONFIGURATION
Packet Types
DHx, 2-DHx, 2-EVx, 3-DHx (where x = 1,3, or 5), 2-EV3, 2-EV5
Payload Length
1 to 99999
Accuracy
TX Output Spectrum –20 dB Bandwidth
Measurements: -20 dB bandwidth (kHz)
TX Output Spectrum Adjacent Channel Power
Measurements: Adjacent channel power(s) in ±N channels
Modulation Characteristics
Packet type: longest supported (DH1, DH3, DH5)
Initial Carrier Frequency Tolerance
Carrier Frequency Drift
Measurements: carrier drift (per packet), drift rate in payload (per 50
μs)
Payload: 10101010
c) relative power (dB) between a) and b)
Input Power -10 dBm -20 dBm -30 dBm
Fc = 2.412 GHz 20 MHz
802.11b 0.4% / -48 dB
0.5% / -45 dB
1.2% / -38 dB
0.5% / -45 dB
0.5% / -45 dB
1.2% / -38 dB
0.6% / -44 dB
1.5% / -36 dB
Worst-case carrier frequency error (ω o ) for all packets (Carrier
frequency stability)
(ω o +ω
EDR In-band Spurious Emissions
Adjacent channel powers dBm / dBc in ±N channel (Max N =5)
GENERAL BURST ANALYSIS
–3 dB point relative to start of burst) μs
Burst length (between P av
-3 dB points) μs
Burst power (P av
to 90% P av
to 10% P av
OCCUPIED BANDWIDTH
Indication
Burst power (dBm) versus time
GFSK frequency offset versus time
DPSK DEVM (%) versus symbol
Burst spectrum
Setup
ORDERING
SVA is supplied as standard with RF Digitizer, Signal Spectrum Analyzer
and Generic Demod.
Optional measurement suites may be purchased with the SVA at time of
order or purchased as an upgrade to the SVA.
GSM/EDGE, UMTS Uplink
When purchased with a SVA, order as: SVA option 152
When purchased as an upgrade, then order as: RTROPT152/SVA
CDMA2000 and 1xEVDO Rev A/B
When purchased with SVA, order as: SVA option 102
When purchased as an upgrade, then order as: RTROPT102/SVA
WLAN
WLAN 802.11ac (requires option 103)
When purchased with an SVA, order as: SVA option 110
When purchased as an upagrade, then order as: RTROPT110/SVA
Bluetooth®
When purchased with a SVA, order as: SVA option 106
When purchased as an upgrade, then order as: RTROPT106/SVA
LTE (FDD)
When purchased with a SVA, order as: SVA option 107
When purchased as an upgrade, then order as: RTROPT107/SVA
LTE (TDD)
When purchased with a SVA, order as: SVA option 108
When purchased as an upgrade, then order as: RTROPT108/SVA
TD-SCDMA
When purchased with a SVA, order as: SVA option 109
When purchased as an upgrade, then order as: RTROPT109/SVA
For the very latest specifications visit www.aeroflex.com
Part No. 46891/465, Issue 3, 06/12
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As we are always seeking to improve our products, the information in this document gives only a general indication of the product capacity, performance and suitability, none of which shall form part of any con- tract. We reserve the right to make design changes without notice. All trademarks are acknowledged. Parent company Aeroflex, Inc. ©Aeroflex 2011.
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